diff --git a/2019/5xxx/CVE-2019-5636.json b/2019/5xxx/CVE-2019-5636.json
index 6055eac1477..eb677bfcf84 100644
--- a/2019/5xxx/CVE-2019-5636.json
+++ b/2019/5xxx/CVE-2019-5636.json
@@ -56,7 +56,7 @@
         "description_data": [
             {
                 "lang": "eng",
-                "value": "When a Beckhoff TwinCAT Runtime receives a malformed UDP packet, the ADS Discovery Service shuts down. Note that the TwinCAT devices are still performing as normal."
+                "value": "When a Beckhoff TwinCAT Runtime receives a malformed UDP packet, the ADS Discovery Service shuts down. Note that the TwinCAT devices are still performing as normal. This issue affects TwinCAT 2 version 2304 (and prior) and TwinCAT 3.1 version 4204.0 (and prior)."
             }
         ]
     },
diff --git a/2019/5xxx/CVE-2019-5637.json b/2019/5xxx/CVE-2019-5637.json
index 653070c382a..8824ed3c11b 100644
--- a/2019/5xxx/CVE-2019-5637.json
+++ b/2019/5xxx/CVE-2019-5637.json
@@ -56,7 +56,7 @@
         "description_data": [
             {
                 "lang": "eng",
-                "value": "When Beckhoff TwinCAT is configured to use the Profinet driver, a denial of service of the controller could be reached by sending a malformed UDP packet to the device."
+                "value": "When Beckhoff TwinCAT is configured to use the Profinet driver, a denial of service of the controller could be reached by sending a malformed UDP packet to the device. This issue affects TwinCAT 2 version 2304 (and prior) and TwinCAT 3.1 version 4204.0 (and prior)."
             }
         ]
     },